I actually did it on purpose. We're so used to i that we can't see how to call them differently.
I just find it annoying that some inhabitants of the United States of America are using the word America to designate their country. Living in Canada, I, too, live in America. Just not in the country called "United States of America".
I find it very revealing of a portion of culture from the USA.
On topic, I think it's a very odd move. The brand "Budweiser" seemed quite established, to say the least. Unless they think that they could lure more "patriotic" Americans that way?